OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com
Ripjaws X Series 16 GB (2 x 8 GB) 240-Pin DDR3 SDRAM Desktop Memory (1600 MHz, PC3 12800) F3-12800CL10D-16GBXL - Walmart.com
RAM SQP SoDimm 8 GB DDR3-1333 MHz PC3-10600 Spare Parts - SOSav English